About 4 inches of rain fell on parts of the region over Labor Day weekend, though many places saw closer to 1 to 3 inches.

The U.S. Drought Monitor said Thursday that most of the Tri-State is now under severe drought conditions, down from the extreme drought that most of southeast Indiana and the Cincinnati metro area faced before the storm.

It's been estimated that it may take as much as a foot of rainfall for the region to fully recover.

An Iranian military observation aircraft flew within 50 yards of an armed U.S. Navy helicopter over the Persian Gulf this month, sparking concern that top Iranian commanders might not be in full control of local forces, CNN has learned.